Preliminary 2021 Census Metropolitan Area and Census Agglomeration Delineation
Table 17
History of entries of preliminary 2021 census metropolitan areas

Table 17
History of entries of preliminary 2021 census metropolitan areas
Table summary
This table displays the results of History of entries of preliminary 2021 census metropolitan areas. The information is grouped by CMA Name (appearing as row headers), CMA Code, Year of becoming CMA and Notes (appearing as column headers).
CMA Name CMA Code Year of becoming CMA Notes
Abbotsford - Mission (B.C.) 932 2001 The CMA's name was Abbotsford from 2001 to 2006. Prior to 2001, Abbotsford had been a CA from 1986 to 1991 under the name Matsqui and in 1996 under the name Abbotsford.
Barrie (Ont.) 568 2006 Prior to 2006, Barrie had been a CA since 1976.
Belleville (Ont.) 522 2016 Prior to 2016, Belleville had been a CA since 1981.
Brantford (Ont.) 543 2006 Prior to 2006, Brantford had been a CA since 1951.
Calgary (Alta.) 825 1951 Note ...: not applicable
Chilliwack (B.C.) 930 2021 Prior to 2021, Chilliwack had been a CA since 1971.
Edmonton (Alta.) 835 1951  ...
Fredericton (N.B.) 320 2021 Prior to 2021, Fredericton was a CA for one census in 1971 and had been a CA again since 1981.
Greater Sudbury / Grand Sudbury (Ont.) 580 1961 The CMA's name was Sudbury from 1961 to 1996. Prior to 1961, Sudbury had been a CA since 1951.
Guelph (Ont.) 550 2006 Prior to 2006, Guelph had been a CA since 1951.
Halifax (N.S.) 205 1941  ...
Hamilton (Ont.) 537 1941  ...
Kamloops (B.C.) 925 2021 Prior to 2021, Kamloops was a CA for one census in 1971 and had been a CA again since 1981.
Kelowna (B.C.) 915 2006 Prior to 2006, Kelowna was a CA for one census in 1971 and had been a CA again since 1981.
Kingston (Ont.) 521 2001 Prior to 2001, Kingston had been a CA since 1951.
Kitchener - Cambridge - Waterloo (Ont.) 541 1961 The CMA's name was Kitchener from 1961 to 2006. Prior to 1961, Kitchener had been a CA since 1951.
Lethbridge (Alta.) 810 2016 Prior to 2016, Lethbridge had been a CA since 1986.
London (Ont.) 555 1941 The CMA merged with the CA of Strathroy (1996) in 2001.
Moncton (N.B.) 305 2006 Prior to 2006, Moncton had been a CA since 1951.
Montréal (Que.) 462 1941 The CMA merged with the CA of Saint-Jérôme (1966-1991) in 1996 and with the CA of Saint-Jean-sur-Richelieu (1981-2011, Saint-Jean 1961-1976) in 2016.
Nanaimo (B.C.) 938 2021 Prior to 2021, Nanaimo was a CA for one census in 1971 and had been a CA again since 1981.
Oshawa (Ont.) 532 1976 Prior to 1976, Oshawa had been a CA since 1951.
Ottawa - Gatineau (Ont./Que.) 505 1941 The CMA's name was Ottawa from 1941 to 1966 and Ottawa - Hull from 1971 to 2001. The CMA should merge with the CA of Arnprior (2016) and Carleton Place (2016) in 2021.
Peterborough (Ont.) 529 2006 Prior to 2006, Peterborough had been a CA since 1951.
Québec (Que.) 421 1941  ...
Red Deer (Alta.) 830 2021 Prior to 2021, Red Deer had been a CA since 1986.
Regina (Sask.) 705 1966 Prior to 1966, Regina had been a CA since 1951.
Saguenay (Que.) 408 1971 Prior to 2006, the CMA name was Chicoutimi - Jonquière. Prior to 1971, Chicoutimi - Jonquière had been a CA since 1956.
Saint John (N.B.) 310 1941  ...
Saskatoon (Sask.) 725 1966 Prior to 1966, Saskatoon had been a CA since 1951.
Sherbrooke (Que.) 433 1986 Prior to 1986, Sherbrooke had been a CA since 1951. The CMA merged with the CA of Magog (1971-2001) in 2006.
St. Catharines - Niagara (Ont.) 539 1971 Prior to 1971, Niagara Falls (1956-1966), St. Catharines (1951-1966), and Welland (1966) had been separate CAs.
St. John's (N.L.) 001 1951  ...
Thunder Bay (Ont.) 595 1971 Prior to 1971, the CMA had been a CA since 1961 under the name Fort William - Port Arthur.
Toronto (Ont.) 535 1941 The CA of Brampton (1966) became part of the CMA in 1971.
Trois-Rivières 442 1981 Prior to 1981, Trois-Rivières had been a CA since 1951.
Vancouver (B.C.) 933 1941  ...
Victoria (B.C.) 935 1941  ...
Windsor (Ont.) 559 1941 The CMA should merge with the CA of Leamington (1981-2016) in 2021.
Winnipeg (Man.) 602 1941  ...
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